Portable slag scraping auxiliary device for air floatation tank

Abstract

The utility model relates to a portable slag scraping auxiliary device for an air floatation tank, and aims to solve the problem that a slag scraping system of air floatation equipment fails or excessive scum exists. The device comprises sliding rails arranged in parallel, a motor on a sliding block, a transmission shaft, an annular rotating frame, a slag scraping plate and inclined stirring blades, wherein the slag scraping plate and the inclined stirring blades are connected. The motor drives the transmission shaft to drive the rotating frame and the scum scraping plate to synchronously rotate so as to quickly scrape scum; the stirring blades assist in stirring liquid, and suspended solids are evenly distributed. The design improves the slag scraping efficiency, reduces the manual labor, ensures the stable operation of the air flotation device, and improves the water treatment effect.

Description

TECHNICAL FIELD

[0001] The application relates to the technical field of water treatment, in particular to a convenient slag scraping auxiliary device for a gas floatation tank. BACKGROUND

[0002] The gas floatation device is a physical treatment device for separating suspended solids and liquid, which utilizes bubbles to adhere to solid particles, so that the particles float to the surface of the liquid, and then are removed through a slag scraping or floating slag system. The gas floatation device in the prior art is usually composed of a tank body, a dissolved air tank, an air compressor and a backflow pump, and is controlled and operated through an electric control box. These devices have remarkable effects on treating fine suspended solids and oil in wastewater, but if the floating slag is not scraped in time during treatment, the subsequent gas floatation effect will be affected, especially when the floating slag is too much or the slag scraping equipment fails, an auxiliary standby slag scraping device is needed. CONTENT OF THE UTILITY MODEL

[0003] The utility model aims at providing a convenient slag scraping auxiliary device for a gas floatation tank, which can quickly and effectively assist in cleaning the floating slag when the slag scraping system of the gas floatation device fails or the floating slag is too much, and ensure the normal operation of the gas floatation device. In order to achieve the above-mentioned purpose, the application provides the following technical scheme: a convenient slag scraping auxiliary device for a gas floatation tank, comprising:

[0004] Two slide rails are arranged in parallel, and a sliding block is arranged on each slide rail;

[0005] A motor is arranged on one of the sliding blocks, the motor is connected with a transmission shaft, and the other end of the transmission shaft is fixed to the sliding block of the other slide rail through a bearing seat;

[0006] A rotating frame is arranged on the transmission shaft and rotates with the transmission shaft, the rotating frame is a circular ring, a plurality of connecting rods are uniformly arranged around the circular ring, a slag scraping plate is fixedly connected to the connecting rods, the long side of the slag scraping plate is parallel to the transmission shaft, and the slag scraping plate is used for scraping the floating slag on the surface of the liquid;

[0007] A stirring blade is fixed to the transmission shaft and located on both sides of the rotating frame, the stirring blade is an inclined blade and is used for assisting in stirring the liquid;

[0008] The motor drives the transmission shaft to rotate, and drives the rotating frame and the stirring blade to work simultaneously.

[0009] Preferably, the transmission shaft is arranged perpendicularly to the slide rails.

[0010] Preferably, the transmission shaft is designed to be telescopic to adapt to gas floatation tanks of different widths.

[0011] Preferably, the length of the slag scraping plate is greater than 1 / 2 of the width of the air flotation tank.

[0012] Preferably, the length of the sliding rail is adjustable to adapt to air flotation tanks of different lengths.

[0013] Preferably, the number of connecting rods is 3-6, evenly distributed around the rotating frame.

[0014] Preferably, the inclination angle of the stirring blade is 30° to 45°.

[0015] Compared with the prior art, the beneficial effects of the present application are:

[0016] The device drives the rotating frame and the slag scraping plate to rotate synchronously through the motor-driven transmission shaft, which can quickly and effectively scrape off the floating slag on the surface of the air flotation tank. Compared with the traditional manual or semi-automatic slag scraping method, the mechanized operation of the device greatly improves the slag scraping efficiency, reduces the labor intensity and time cost. When the slag scraping system of the air flotation equipment fails or there is too much floating slag, the device can quickly intervene to clean the floating slag in time, ensuring the normal operation of the air flotation device. This not only avoids equipment downtime due to floating slag accumulation, but also improves the stability and reliability of the entire water treatment system. The oblique stirring blades provided on both sides of the rotating frame can assist in stirring the liquid while scraping the slag. This design makes the distribution of suspended solids on the surface and inside of the liquid more uniform, further improving the treatment effect of the air flotation tank and avoiding local floating slag accumulation. BRIEF DESCRIPTION OF DRAWINGS

[0017] Figure 1 A perspective view of a convenient slag scraping auxiliary device for an air flotation tank according to an embodiment of the present application is shown in the figure.

[0018] In the figure: 1, sliding rail; 2, sliding block; 3, motor; 4, transmission shaft; 5, bearing seat; 6, rotating frame; 7, connecting rod; 8, slag scraping plate; 9, stirring blade. DETAILED DESCRIPTION

[0019] The technical solutions in the embodiments of the present application will be described clearly and completely below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, not all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the present application.

[0020] It should be noted that, in the description of the present application, the terms "upper", "lower", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer" and the like indicate the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the present application and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as a limitation on the present application.

[0021] In addition, it should be understood that, for the convenience of description, the sizes of various components shown in the drawings are not drawn in accordance with the actual proportional relationship, for example: the thickness or width of certain layers can be exaggerated relative to other layers.

[0022] It should be noted that similar reference numbers and letters represent similar items in the following drawings, and therefore, once an item is defined or described in one drawing, it will not need to be further specifically discussed and described in the description of subsequent drawings.

[0023] In order to solve the technical problems in the background art, as shown in the figure, the present application provides a technical scheme: a convenient slag scraping auxiliary device for air flotation tank, characterized by:

[0024] The convenient slag scraping auxiliary device of the air floatation tank mainly comprises slide rails 1, slide blocks 2, motors 3, transmission shafts 4, bearing seats 5, rotating frames 6, connecting rods 7, slag scraping plates 8 and stirring blades 9. The slide rails 1 are two parallel tracks made of high-strength stainless steel to ensure their stability and corrosion resistance in long-term use. The slide blocks 2 are installed on each slide rail 1 and should be tightly matched with the slide rails 1 to move stably along the slide rails 1. The number of the slide blocks 2 can be set according to the need, generally 2-3 on each slide rail 1 to improve the stability and flexibility of the device, or a larger slide block can be set to facilitate the installation of other components. The motor 3 is installed on one of the slide blocks 2 and is connected with the transmission shaft 4 through a coupling, and the other end of the transmission shaft 4 is fixed to the slide block 2 of the other slide rail 1 through the bearing seat 5. The bearing seat 5 is made of cast iron and internally provided with a rolling bearing to reduce the friction of the transmission shaft 4 when rotating. The rotating frame 6 is a circular ring structure made of alloy steel or stainless steel and is subjected to corrosion prevention treatment on the surface. The rotating frame 6 is fixed on the transmission shaft 4 through a key connection and rotates with the transmission shaft 4. The rotating frame 6 is uniformly provided with a plurality of connecting rods 7 around the circumference, and the connecting rods 7 are made of stainless steel. The slag scraping plate 8 is fixedly connected to the lower end of the connecting rod 7, and the slag scraping plate 8 is preferably made of polypropylene, which has good corrosion resistance and wear resistance. The long side of the slag scraping plate 8 is parallel to the transmission shaft 4, and the edge of the slag scraping plate 8 is designed as a straight line to improve the scraping efficiency. The stirring blade 9 is fixed to the transmission shaft 4 and located on both sides of the rotating frame 6. The stirring blade 9 is designed as an inclined blade, and the stirring blade 9 functions to assist the stirring of the liquid and promote the aggregation of the floating slag for easy scraping by the slag scraping plate 8. The working principle is that the motor 3 drives the transmission shaft 4 to rotate after starting, and the transmission shaft 4 drives the rotating frame 6 and the stirring blade 9 to work simultaneously. The stirring blade 9 rotates in the liquid to produce a stirring effect and make the floating slag aggregate in the center of the tank. The rotating frame 6 drives the slag scraping plate 8 to move along the slide rail 1, and the slag scraping plate 8 scrapes the floating slag aggregated on the surface of the tank and discharges it through the slag discharge port at the edge of the tank.

[0025] It should be noted that the transmission shaft 4 is perpendicular to the slide rail 1, so that the rotating frame 6 and the slag scraping plate 8 rotate in the horizontal plane, the slag scraping plate 8 can scrape the slag parallel to the surface of the air floatation tank, and the scraping efficiency and uniformity are improved.

[0026] It is worth noting that the transmission shaft 4 is designed to be telescopic. The outer sleeve of the transmission shaft 4 is a steel or aluminum pipe with a certain length and inner diameter, which is slightly larger than the outer diameter of the inner sleeve to ensure that the inner sleeve can slide freely inside the outer sleeve. One end of the outer sleeve is connected to the output shaft of the motor 3. The inner sleeve is a steel or aluminum pipe with adjustable length, whose outer diameter matches the inner diameter of the outer sleeve and can be tightly inserted into the outer sleeve. One end of the inner sleeve is fixed to the sliding block 2 through the bearing seat 5, and the other end is inserted into the outer sleeve. The length of the inner sleeve can be adjusted according to the width of the air flotation tank to adapt to air flotation tanks of different widths. Locking devices such as locking nuts or locking pins are provided at the connection between the outer sleeve and the inner sleeve. The locking device is used to fix the position of the inner sleeve in the outer sleeve to prevent it from sliding or falling off during work. When the length of the transmission shaft 4 needs to be adjusted, the locking device can be loosened, the inner sleeve can be moved to the appropriate position, and then it can be locked again. The telescopic design of the transmission shaft 4 enables the device to adapt to air flotation tanks of different widths, improving the applicability and flexibility of the device.

[0027] It should be noted that the length of the slag scraping plate 8 is greater than 1 / 2 of the width of the air flotation tank, which can cover most of the surface area of the air flotation tank, scrape off more floating sludge at one time, reduce the number of scraping, improve the efficiency of scraping, and ensure the cleanliness of the surface of the air flotation tank. The longer slag scraping plate 8 can effectively reduce the dead angle area of the air flotation tank surface, avoid the accumulation of floating sludge in some areas and cannot be scraped off in time, thereby improving the air flotation effect and wastewater treatment quality.

[0028] It should be pointed out that the length of the sliding rail 1 is adjustable. Specifically, the sliding rail 1 is composed of two or more sliding rail bodies, and a connecting component is arranged between adjacent sliding rail bodies to connect the sliding rail bodies into a whole. The connecting component can be a bolted connection, a buckle connection or a welded joint. The design of the connecting component should ensure that the connection between the sliding rail bodies is firm and reliable, and the lengthening or shortening of the sliding rail bodies can be achieved. The adjustable length design of the sliding rail 1 enables the device to adapt to air flotation tanks of different lengths, improving the applicability and flexibility of the device.

[0029] It should be noted that by arranging 3-6 connecting rods 7, the slag scraping plates 8 can be evenly distributed on the circumference of the rotating frame 6, so that the slag scraping plates 8 can cover a larger liquid surface area, improve the efficiency of scraping, and ensure that the floating sludge on the surface of the air flotation tank can be timely and completely removed. The evenly distributed connecting rods 7 and slag scraping plates 8 can produce continuous and uniform scraping action when the rotating frame 6 rotates, avoiding the accumulation or omission of floating sludge due to uneven distribution of the slag scraping plates 8, thereby enhancing the overall scraping effect.

[0030] It is worth mentioning that the inclination angle of the 9-blade stirring blade is set to 30° to 45°, which can effectively push the liquid downward, generate strong vortex and circulating flow, thereby enhancing the stirring effect. This inclination angle is conducive to the full contact of bubbles and suspended particles, improves the air floatation effect, and promotes the formation and floating of dregs. When the inclination angle can make the stirring blade 9 generate a certain upward thrust during rotation, it helps to push the dregs to the surface of the air floatation tank, prevents the formation of a thick dregs layer on the surface of the liquid, avoids the accumulation and blockage of the dregs, and ensures the smooth scraping of the dregs by the dregs scraping plate 8.

[0031] Although embodiments of the present application have been shown and described, it is to be understood that various modifications, substitutions, replacements and variations can be made to these embodiments without departing from the principles and spirit of the present application, and the scope of the present application is defined by the appended claims and their equivalents.

Claims

1. A convenient slag scraping auxiliary device for air flotation tank, characterized in that, The utility model relates to a kind of air floatation pool cleaning device, including: Slide rail (1), two described slide rail (1) are arranged in parallel, each described slide rail (1) is provided with sliding block (2); Motor (3), the motor (3) is arranged in one of the sliding block (2), the motor (3) is connected transmission shaft (4), the other end of the transmission shaft (4) is fixed on the sliding block (2) of another described slide rail (1) by bearing seat (5); Rotary frame (6), the rotary frame (6) is arranged on the transmission shaft (4), and rotates with the transmission shaft (4), the rotary frame (6) is circular, and multiple connecting rods (7) are evenly arranged in its ring, and the connecting rod (7) is fixedly connected with slag scraping plate (8), the long side of the slag scraping plate (8) is parallel with the transmission shaft (4), and the slag scraping plate (8) is used to scrape the dross on the surface of liquid; Stirring blade (9), the stirring blade (9) is fixed on the transmission shaft (4), and is located at both sides of the rotary frame (6), and the stirring blade (9) is inclined blade, for auxiliary stirring liquid; The motor (3) drives the transmission shaft (4) to rotate, drives the rotary frame (6) and stirring blade (9) to work simultaneously.

2. The convenient scraper auxiliary device for air floatation tank according to claim 1, characterized in that, The transmission shaft (4) is perpendicular to the slide rail (1).

3. The convenient scraper auxiliary device for air floatation tank according to claim 2, characterized in that, The transmission shaft (4) is telescopic design, to adapt to air floatation pool of different width.

4. The convenient scraper device for air floatation tank according to claim 1, characterized in that, The length of the slag scraping plate (8) is greater than 1 / 2 of the width of air floatation pool.

5. The convenient scraper device for air floatation tank according to claim 1, characterized in that, The length of the slide rail (1) can be adjusted, to adapt to air floatation pool of different length.

6. The convenient scraper device for air floatation tank according to claim 2, characterized in that, The number of the connecting rod (7) is 3-6, and is evenly distributed on the ring of the rotary frame (6).

7. The convenient scraper device for air floatation tank according to claim 2, characterized in that, The inclination angle of the stirring blade (9) is 30° to 45°.

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